Re: Missile Defence, the live version

[Valdis.Kletnieks () vt edu]

On Thu, 13 Jul 2006 21:52:51 BST, Drsolly said:

> All photons go straight. The whole point of lasers, is that they are in 
> phase.

Close but no cee-gar.  The physics behind the laser does indeed say that
the photons are in phase.  But it's interesting because they're *parallel*,
and thus all the energy is deposited in one place.  There's very few
uses of lasers where the "in phase" actually matters (their use in polishing
large astronomical mirrors comes to mind, but nothing else does.  Maybe some
photomicrolithography applications...

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